package com.itheima.reggie.cotroller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.apache.ibatis.annotations.One;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;
    @PostMapping("/login")
    public R<Employee> login(@RequestBody Employee employee, HttpSession session) {
        //1.将页面提交的密码进行md5加密
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
 //       System.out.println("登录成功");
        //2、根据页面提交的用户名username查询数据库
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee one = employeeService.getOne(queryWrapper);

        //3、如果没有查询到则返回登录失败结果
        if(one == null){
            return R.error("登录失败");
        }

        //4、密码比对，如果不一致则返回登录失败结果
        if(!one.getPassword().equals(password)){
            return R.error("登录失败");
        }

        //5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果
        if(one.getStatus() == 0){
            return R.error("账号已禁用");
        }

        //6、登录成功，将员工id存入Session并返回登录成功结果
        session.setAttribute("employee",one.getId());
        return R.success(one);





    }
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清理Session中保存的当前登录员工的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("添加员工，员工信息：{}",employee.toString());


        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

//        Long empId = (Long) request.getSession().getAttribute("employee");

//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);

        employeeService.save(employee);
        return R.success("添加员工成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page = {},pageSize = {},name = {}" ,page,pageSize,name);

        Page pageInfo = new Page(page,pageSize);

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();

        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);

        queryWrapper.orderByDesc(Employee::getUpdateTime);

        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());
        if(employee.getId()==1){
            return R.error("管理员不允许禁用");
        }

    //    Long empId = (Long)request.getSession().getAttribute("employee");

    //    employee.setUpdateTime(LocalDateTime.now());
    //    employee.setUpdateUser(empId);
        employeeService.updateById(employee);

        return R.success("启用禁用成功");
    }
    @GetMapping("/{id}")
    public R<Employee > getEmployeeById(@PathVariable Long id){
        log.info("编辑回显");
        Employee employee = employeeService.getById(id);
        if(employee!=null){

            return R.success(employee);
        }
        return  R.error("没有找到用户");
    }

}    